Home / 81,618,982.20-112,633,089.90-46,336,466.70

Finding the Fourth Proportional to 81,618,982.20, 112,633,089.90 and 46,336,466.70

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Solution

The fourth proportional to 81,618,982.20, 112,633,089.90 and 46,336,466.70 is: 63,943,696.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,618,982.20 : 112,633,089.90 = 46,336,466.70 : x
  2. Step 2: Convert to fraction form
    81,618,982.20/112,633,089.90 = 46,336,466.70/x
  3. Step 3: Cross multiply
    81,618,982.20x = 112,633,089.90 × 46,336,466.70
  4. Step 4: Simplify right side
    81,618,982.20x = 5,219,019,419,469,457
  5. Step 5: Solve for x
    x = 5,219,019,419,469,457/81,618,982.20
  6. Step 6: Final answer
    x = 63,943,696.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.